Packages

We’re happy to announce a new version of httr, a package designed to make it easy to work with web APIs. Httr is a wrapper around RCurl, and provides:
functions for the most important http verbs: GET, HEAD, PATCH, PUT, DELETE and POST.
automatic cookie handing across requests, connection sharing, and standard SSL config.
a request object which captures the body of the request along with request status, cookies, headers, timings and other useful information.
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The latest version of lubridate offers some powerful new features and huge speed improvements. Some areas, such as date parsing are more than 50 times faster. lubridate 1.2.0 also fixes those pesky NA bugs in 1.1.0. Here’s some of what you’ll find:
Parsers can now handle a wider variety date formats, even within the same vector
dates <- c("January 31, 2010", "2-28-2010", "03/31/2000") dates <- mdy(dates) ## [1] "2010-01-31 UTC" "2010-02-28 UTC" "2000-03-31 UTC Stamp lets you display dates however you like, by emulating an example date
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We’re pleased to announce a new version of devtools, the package that makes R package development easy. The main features in this version are:
A complete rewrite of the code loading system which simulates namespace loading much more accurately - this means using load_all is much closer to installing and loading the package. It also compiles and loads C, C++ and Fortran code in the src/ directory.
All devtools command now only take a path to a package and default to using the working directory if no path is supplied.
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The main changes in this version are to the theming system. There are also a number of enhancements to the theming system that make it easier to modify themes and we’ve renamed a number of functions to have more informative names. Your existing code should continue to work, although you may receive warnings about functions that have been deprecated. Replacing them with new versions is easy. Here are the changes you are likely to encounter:
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